<ul class="selectNav">
    <li id="adduser"><a href="<?php echo site_url('admin/manage/adduser')?>"><span>添加/编辑用户</span></a></li>
    <li id="addclass"><a href="<?php echo site_url('admin/manage/addclass')?>"><span>添加班级</span></a></li>
    <li id="manageuser"><a href="<?php echo site_url('admin/manage/manageuser')?>"><span>管理用户</span></a></li>
    <li id="manageclass"><a href="<?php echo site_url('admin/manage/manageclass')?>"><span>管理班级</span></a></li>
</ul>
